73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 17:56

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2160	b2e.exe
4604	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4604	cpuminer-sse2.exe
4604	cpuminer-sse2.exe
4604	cpuminer-sse2.exe
4604	cpuminer-sse2.exe
4604	cpuminer-sse2.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2304-5-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2160	2304	batexe.exe	74
PID 2304 wrote to memory of 2160	2304	batexe.exe	74
PID 2304 wrote to memory of 2160	2304	batexe.exe	74
PID 2160 wrote to memory of 3740	2160	b2e.exe	75
PID 2160 wrote to memory of 3740	2160	b2e.exe	75
PID 2160 wrote to memory of 3740	2160	b2e.exe	75
PID 3740 wrote to memory of 4604	3740	cmd.exe	78
PID 3740 wrote to memory of 4604	3740	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\8A9C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8A9C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8A9C.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8C61.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3740
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:4604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8A9C.tmp\b2e.exe

Filesize
5.2MB

MD5
13015dfa459e1048325f8581f5d46054

SHA1
6f6984c9d862d72be22acfca329d88e5544ff4ba

SHA256
5ba4ce2c5f0c79c07e41fbeb186521335ae060de242c49ce54feb64ff973a696

SHA512
46ef05875d1a71097f80d15a5f4db2e9d1447b5505265eca3c17972fd6974afd15387b045856a26f799fd7d2009ae250a11083fcda1ff864fd2fdc1be5002695

Download Submit
C:\Users\Admin\AppData\Local\Temp\8A9C.tmp\b2e.exe

Filesize
11.9MB

MD5
04d50cbb43d10f6fe96d0598bc8cc6bb

SHA1
a0cf4634ad63f62a0207ac0290241565baf29667

SHA256
d715c6d19d83e735ba8d0578eef43397c18770b40f46adfb58a8fa0061d6fb61

SHA512
1117949820b865112f59bd4d6d13b3b7f936d2d792a875de529015fa1717cc8d8107d0be738ac2c0dbb92b05e3f0052a9ecdb4eb6154c3960ffbcb41ec4810cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
6.8MB

MD5
ee704a52915f09e0746f91139daa552c

SHA1
6117e23c7146ab4346f3ce3ed6a5570639933040

SHA256
d92702df1cd11fe43f562f2613095f0b05784189473cdf75f4f60c83ce2c6ab7

SHA512
9db2c45f86616effb605990f28c96f668adbab49e1d827adf6f14ea408babdef6dcdcb77043d58360dcc16b2b6fe59d9e69dc897c202a0c45721e02a482fb2a5

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
6.0MB

MD5
594b1a09cba5f8ffbed165539d2c524a

SHA1
c6122f9124f99031ec783745175d4b3b1608687e

SHA256
358620ac88e616333c8c39c6286dde790d92ae20670709bf95c9b836b387633c

SHA512
f34e914c01d70efc1edf9a03d6f264cda00a2fc1b5012c6dc9a58b6a0ed396200e0fc6981ca63305aaeb31daa1c8d3798a31633508361bae16e16125a80a4226

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
5.9MB

MD5
61a9bea6beefbd731c398a68653170da

SHA1
1675ababaa9a2210a1ae22f748194aa2c98982cb

SHA256
51ec648627e5b19cc5cc50a9465fb7c10d15f5317166ec7eefd79ecd922ad5ec

SHA512
03501e41d252ebe61d5616515abf9b82cdfa1bed805d866473e6371e78bd20feebf7e55708b5a17f23cc29612e6e4886d03613903eeecdb21e769df001aad6d1

Download Submit
\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2160-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2160-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4604-42-0x000000006E140000-0x000000006E1D8000-memory.dmp

Filesize
608KB

Download
memory/4604-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4604-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/4604-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4604-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download